C3-B3B3 The brackets around the subtraction part of the formula ensure that calculation occurs first. To calculate the percentage decrease between two numbers youll use an identical calculation to the percentage increase. On the Home tab click the Percentage button.
S for seconds min for minutes etc.
Divide that amount by the absolute value of the starting value. If want to calculate percentage change in Excel this can be done using a simple Excel formula. If you want to calculate a percentage of a number in Excel simply multiply the percentage value by the number that you want the percentage of. To calculate the difference as a percentage we subtract this months value from last months and then divide the result by last months value.